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Product Overview
The LP3962ET-3.3/NOPB is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments (TI). It provides a fixed output voltage of 3.3V with a maximum output current of 1.5A. Housed in a TO-220-5 package, this device is designed for applications requiring low noise, fast transient response, and high accuracy. The LP3962ET-3.3/NOPB features a dropout voltage of typically 240mV at full load, making it suitable for battery-powered and low-voltage systems. Its enable pin allows for power sequencing and shutdown control, while the output voltage accuracy is ±1.5% over line, load, and temperature variations.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current |
1.5A (Max) |
| Dropout Voltage |
240mV (Typical at 1.5A) |
| Input Voltage Range |
2.5V to 7V |
| Output Voltage Accuracy |
±1.5% |
| Quiescent Current |
3mA (Typical) |
| PSRR |
60dB at 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-220-5 |
Key Features
- Low dropout voltage: 240mV at 1.5A
- High output accuracy: ±1.5%
- Enable pin for power sequencing
- Fast transient response
- Thermal shutdown and overcurrent protection
- Stable with low ESR output capacitors (10µF ceramic)
- Wide operating temperature range: -40°C to +125°C
Target Applications
- 5G base station power management (e.g., powering RF transceivers)
- Automotive dashboard displays and infotainment systems
- Industrial control systems (e.g., PLCs, motor drives)
- Medical equipment (e.g., patient monitors, diagnostic devices)
- Networking equipment (e.g., routers, switches)
- Battery-powered devices (e.g., portable instruments)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3962ET-3.3/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LP3962ET-3.3/NOPB 是德州儀器 (TI) 推出的一款高性能、低壓差 (LDO) 線性穩壓器。它提供固定的 3.3V 輸出電壓,最大輸出電流為 1.5A。採用 TO-220-5 封裝,適用於需要低噪聲、快速瞬態響應和高精度的應用。LP3962ET-3.3/NOPB 在滿載時典型壓差電壓為 240mV,使其非常適合電池供電和低電壓系統。其使能引腳允許電源排序和關斷控制,輸出電壓精度在線路、負載和溫度變化範圍內為 ±1.5%。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V (固定) |
| 輸出電流 |
1.5A (最大) |
| 壓差電壓 |
240mV (典型值 @ 1.5A) |
| 輸入電壓範圍 |
2.5V 至 7V |
| 輸出電壓精度 |
±1.5% |
| 靜態電流 |
3mA (典型值) |
| 電源抑制比 |
60dB @ 1kHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-220-5 |
核心特性
- 低壓差電壓:1.5A 時為 240mV
- 高輸出精度:±1.5%
- 使能引腳,用於電源排序
- 快速瞬態響應
- 熱關斷和過流保護
- 與低 ESR 輸出電容(10µF 陶瓷)穩定工作
- 寬工作溫度範圍:-40°C 至 +125°C
典型應用場景
- 5G 基站電源管理(例如為射頻收發器供電)
- 汽車儀表板顯示器和信息娛樂系統
- 工業控制系統(例如 PLC、電機驅動器)
- 醫療設備(例如病人監護儀、診斷設備)
- 網絡設備(例如路由器、交換機)
- 電池供電設備(例如便攜式儀器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3962ET-3.3/NOPB 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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